What is the answer to this math problem 3/10+2/5

Dennis let go of a penny at the top of a well, and the penny fell straight down to the bottom of the well. The top of the well was 1 1/2 meters above ground. the bottom of the well was 11 meters below ground.

Indira, Bonnie, and Chang all work at the same pet store. Indira works every other day. Bonnie works every fourth day. Chang works every fifth day. Today they all worked together. How many days will it be until they work together again?

A scientist invents a car that can travel for many hours without stopping for fuel. The car travels around a track at 54 miles an hour for 24 hours. At the end of the 24 hours, how far has the car traveled? 1.286 miles 1. 296 miles 1.

How do you solve 7x=-3

The temperature outside Jude's house was - 3.7 degrees Celsius. It then decreased by 4.2 decreased by Celsius.

A flower bed in the shape of a triangle with one side twice the length of the shortest side and the third side is 24 feet more than the length of the shortest side find the demons ions if the perimeter is 128 feet

Select the best answer for the question. 2. Lavina wants to buy a rocking chair for $160. She'll pay 10% down and pay the rest in six monthly installments. What will be the amount of each monthly payment? A. $16 B. $26 C. $27 D. $24

How many times larger is the rectangular prism than the cube? A. 6 B. 4 C. 30 D. 2

Which expressions are equivalent to 5 x minus 15? Select three options. 5 (x + 15) 5 (x minus 3) 4 x + 3 y minus 15 minus 3 y + x Negative 7 y minus 6 x minus 8 y + x Negative 20 minus 3 x + 5 + 8

Which statement is true about f (x) = square root x